Home / 83,539.71-115,259.61-51,241.14

Finding the Fourth Proportional to 83,539.71, 115,259.61 and 51,241.14

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Solution

The fourth proportional to 83,539.71, 115,259.61 and 51,241.14 is: 70,697.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,539.71 : 115,259.61 = 51,241.14 : x
  2. Step 2: Convert to fraction form
    83,539.71/115,259.61 = 51,241.14/x
  3. Step 3: Cross multiply
    83,539.71x = 115,259.61 × 51,241.14
  4. Step 4: Simplify right side
    83,539.71x = 5,906,033,107.95
  5. Step 5: Solve for x
    x = 5,906,033,107.95/83,539.71
  6. Step 6: Final answer
    x = 70,697.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.